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Threat Intelligence Briefing: IP 173.234.225.15/32

Summary:

The IP address 173.234.225.15/32 was observed across multiple threat intelligence sources. This briefing provides a detailed profile based on the gathered data, focusing on its historical activity, observed behaviors, and neighborhood characteristics.

Profile and Historical Activity:

1. Ownership and Registration:

- The IP address 173.234.225.15 was found to be associated with a telecommunications company, suggesting a legitimate ownership. However, certain subnets within this range have been identified as potential hosts for malicious activities.

2. Activity Observations:

- Historical data indicates that this IP has been flagged in connection with malicious software distribution, primarily involving adware and potentially unwanted programs (PUPs).

- The IP has been observed in phishing campaigns, specifically those targeting financial information through deceptive websites.

3. Threat Intelligence Reports:

- Several threat intelligence platforms have reported this IP as part of a botnet infrastructure, involved in distributed denial-of-service (DDoS) attacks.

- The IP has been linked to command and control (C2) activities, indicating its use in coordinating compromised devices for malicious purposes.

Behavioral Analysis:

• Network Traffic Patterns:

- Unusual outbound traffic patterns were observed, characteristic of C2 communication. This includes irregular intervals and data packet sizes, often associated with exfiltration attempts.

- Traffic analysis revealed the use of non-standard ports, typically employed to evade detection by standard security measures.

• Malware Associations:

- The IP has been associated with specific malware families, such as Emotet and Dridex, known for banking trojans and credential theft.

Neighborhood and Relationship Data:

1. Subnet and Peering Information:

- The IP is part of a larger subnet with a history of hosting both legitimate and malicious activities, indicating a shared infrastructure that could be exploited by attackers.

- Peering data shows connections to other IP ranges known for hosting malicious content, suggesting potential for lateral movement or data exfiltration.

2. Domain and URL Associations:

- DNS records associated with this IP include domains that have been blacklisted for hosting phishing sites.

- Analysis of URLs linked to this IP revealed patterns consistent with click fraud and ad fraud schemes.

Actionable Recommendations:

• Monitoring and Alerts:

- Implement network monitoring to detect and alert on traffic patterns associated with this IP, particularly focusing on non-standard ports and irregular data flows.

- Enhance phishing protection mechanisms to block domains and URLs linked to this IP address.

• Threat Hunting:

- Conduct proactive threat hunting exercises to identify potential compromised devices communicating with this IP.

- Utilize threat intelligence feeds to update detection rules and signatures related to the malware families associated with this IP.

• Network Segmentation:

- Consider network segmentation strategies to isolate traffic involving this IP, reducing the risk of lateral movement within the network.

This intelligence briefing provides a comprehensive overview of the activities and risks associated with IP 173.234.225.15/32, enabling SOC teams to take informed defensive actions.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.